Home / 87,482,572.16-120,729,614.87-50,312,877.64

Finding the Fourth Proportional to 87,482,572.16, 120,729,614.87 and 50,312,877.64

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Solution

The fourth proportional to 87,482,572.16, 120,729,614.87 and 50,312,877.64 is: 69,433,879.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,482,572.16 : 120,729,614.87 = 50,312,877.64 : x
  2. Step 2: Convert to fraction form
    87,482,572.16/120,729,614.87 = 50,312,877.64/x
  3. Step 3: Cross multiply
    87,482,572.16x = 120,729,614.87 × 50,312,877.64
  4. Step 4: Simplify right side
    87,482,572.16x = 6,074,254,340,302,593
  5. Step 5: Solve for x
    x = 6,074,254,340,302,593/87,482,572.16
  6. Step 6: Final answer
    x = 69,433,879.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.